CBSE Class 8 Science Notes Chapter 8 Cell Structure and Function Cell Structure and Function Class 8 Notes Understanding the Lesson 1. The basic structural and functional units of all the organs of the living organisms is called cell. 2. Cells were first discovered by Robert Hooke in 1665. 3. Cells of living organisms could…
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CBSE Class 8 Science Notes Chapter 7 Conservation of Plants and Animals Conservation of Plants and Animals Class 8 Notes Understanding the Lesson 1. There are a number of plants and animals that exist on earth. 2. Deforestation means cutting down of forests. 3. The chances of natural calamities like droughts and floods increase due…
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CBSE Class 8 Science Notes Chapter 6 Combustion and Flame Combustion and Flame Class 8 Notes Understanding the Lesson 1. Combustion is a chemical process in which a substance reacts with oxygen to give out heat energy. 2. All the substances that undergo combustion are said to be combustible. 3. A combustible substance may be…
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CBSE Class 8 Science Notes Chapter 5 Coal and Petroleum Coal and Petroleum Class 8 Notes Understanding the Lesson 1. All the things that are required to fulfil our needs are called resources. 2. Some resources like air, water, fuels, plants occur in nature. They are called natural resources. 3. Some resources like plastics, machines,…
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CBSE Class 8 Science Notes Chapter 4 Materials: Metals and Non-Metals Materials: Metals and Non-Metals Class 8 Notes Understanding the Lesson 1. Materials can be broadly grouped into two groups metals and non-metals. 2. Substances which are generally hard, lustrous, malleable, sonorous and good conductors of heat and electricity are metals. For example, copper, iron,…
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CBSE Class 8 Science Notes Chapter 3 Synthetic Fibres and Plastics Synthetic Fibres and Plastics Class 8 Notes Understanding the Lesson 1. A fabric is the material used for making clothes. 2. Fabrics are made from fibres obtained from natural or artificial source. 3. Beside clothes, fibres are also used for making carpets, sail of…
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CBSE Class 8 Science Notes Chapter 2 Microorganisms: Friend and Foe Microorganisms: Friend and Foe Class 8 Notes Understanding the Lesson 1. Microorganisms or microbes are extremely small living organisms which cannot be seen with the naked eyes. 2. Microorganisms can survive under all types of environment. 3. Microorganisms are broadly classified into four categories bacteria,…
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CBSE Class 8 Science Chapter 1 Notes Crop Production and Management Crop Production and Management Class 8 Notes Understanding the Lesson 1. The branch of science that deals with growing plants and raising livestock for human use is called agriculture. 2. When plants of same kind are grown and cultivated at one place on a…
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Class 8 Science Notes | NCERT Class 8 Science Notes CBSE Class 8 Science Notes Crop Production and Management Class 8 Notes Microorganisms: Friend and Foe Class 8 Notes Synthetic Fibres and Plastics Class 8 Notes Materials: Metals and Non-Metals Class 8 Notes Coal and Petroleum Class 8 Notes Combustion and Flame Class 8 Notes…
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